Start your device and open the 'Control Panel' and choose the tab of 'All Control Panel Items'. Open the 'Devices and Printers' and drop down the option 'Printer' Hit the button of 'Cancel All Documents' and move lower back to the folder and right-click on on the call of the printer. To know more about brother printer offline on mac. Select the option of 'Remove the device' and leave the process until the Brother printer uninstalls. Now, upload the Brother printer again to the laptop manually via getting into the perfect IP address of the Brother printer.